Q1: do you set hostname on your #BGP routers and send it to peers Q2: do your peers set and send their hostname to you? I know BIRD and FRR support this, not sure about others. ref: https://
I'd guess related to the Internet interference reportedly happening within Cameroon, CAMNET (#AS15964) leaking #BGP routes for 4.0.0.0/8 and 8.0.0.0/8, e.g.,
Bogus #BGP routes that were little noticed. The origin ASN appears to have been a typo for #AS327885 (Viettel Tanzania), perhaps in a failed attempt at a government directed shutdown?